<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
  <meta charset="UTF-8">
  <title>网站首页</title>
</head>
<body>
<p>
  <a th:href="@{/product/index}"> 商品首页 </a>
</p>
</body>
</html>